Home / 49,857.12-68,800.24-30,993.92

Finding the Fourth Proportional to 49,857.12, 68,800.24 and 30,993.92

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Solution

The fourth proportional to 49,857.12, 68,800.24 and 30,993.92 is: 42,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.12 : 68,800.24 = 30,993.92 : x
  2. Step 2: Convert to fraction form
    49,857.12/68,800.24 = 30,993.92/x
  3. Step 3: Cross multiply
    49,857.12x = 68,800.24 × 30,993.92
  4. Step 4: Simplify right side
    49,857.12x = 2,132,389,134.54
  5. Step 5: Solve for x
    x = 2,132,389,134.54/49,857.12
  6. Step 6: Final answer
    x = 42,770.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.